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A U.S. district court judge has struck down the City of Oakland’s ban on transporting coal through a planned export terminal there.

Last August, 3 million gallons of orange wastewater flooded into Colorado's Animas River, ending up in Lake Powell. But Congress has failed to come up with a way to stop this from happening again.

The last fully operational coal mine in the western part of the state announced layoffs Thursday. The West Elk Mine outside of Paonia is owned by Arch...

That's the lesson Tanya James' mother taught her. And she says it was invaluable in the West Virginia coal mines, where she worked for decades. Now, she's passing that lesson down to her daughters.

Gov. John Hickenlooper has formally requested that a set of abandoned mines above Silverton be listed as a Superfund site. The request comes nearly seven…

Carbon dioxide emissions have a pretty bad reputation. The dirtiest fuel -- coal -- still supplies nearly 40 percent of the electricity in the U.S. and…

Among the top 10 coal producing states, over one million acres of land has been "disturbed" for coal mining operations, according to data from the U.S.…

North Dakota may be known as an oil state, but it's the state's coal industry that's feeling the heat from the federal Clean Power Plan. Under the final…

Carol and John Wagner’s ranch is surrounded by green pastures, with spectacular views of the northern San Juan mountains. The Wagners moved here from…

The spill of heavy metals into the Animas River has contaminated water for hundreds of farmers in the Navajo Nation downstream, bringing up memories of past environmental disasters.